Fishing ship activity estimation device and fishing ship activity estimation program

A fishing-craft activity estimating apparatus, comprising:

• an angular-speed feature-vector data acquirer to acquire angular-speed feature vector data containing angular speed data and angular speed dispersion data, the angular speed data indicating a chronological series of angular speeds of rocking motions of a fishing craft during a navigation, the angular speed dispersion data being data that indicates a chronological series of dispersions of the angular speeds and in which angular speed dispersions are aligned on a temporal axis, the angular speed dispersions indicating the dispersions of the angular speeds of the fishing craft in a predetermined period, the fishing craft performing a fishing operation in a fishery and a travel to a destination;
• and
• an activity estimator
• to execute, based on the angular-speed feature vector data, an activity identifying process for identifying whether the fishing craft is during travel or fishing operation, and
• to output activity identification result data indicating a chronological series of identification results in the activity identifying process.

A fishing-craft activity estimating apparatus, comprising:

• an acceleration feature-vector data acquirer to acquire acceleration feature vector data containing acceleration data and acceleration dispersion data, the acceleration data indicating a chronological series of accelerations of a fishing craft that performs a fishing operation in a fishery and a travel to a destination, the acceleration dispersion data being data that indicates a chronological series of dispersions of the accelerations of the fishing craft and in which acceleration dispersions are aligned on a temporal axis, the acceleration dispersions indicating the dispersions of the accelerations of the fishing craft in a predetermined period;
• and
• an activity estimator
• to execute, based on the acceleration feature vector data, an activity identifying process for identifying whether the fishing craft is during travel or fishing operation, and
• to output activity identification result data indicating a chronological series of identification results in the activity identifying process.

A fishing-craft activity estimating apparatus, comprising:

• a velocity feature-vector data acquirer to acquire velocity feature vector data containing velocity data and velocity dispersion data, the velocity data indicating a chronological series of velocities of a fishing craft that performs a fishing operation in a fishery and a travel to a destination, the velocity dispersion data being data that indicates a chronological series of dispersions of the velocities of the fishing craft and in which velocity dispersions are aligned on a temporal axis, the velocity dispersions indicating the dispersions of the velocities of the fishing craft in a predetermined period;
• an angular-speed feature-vector data acquirer to acquire angular-speed feature vector data containing angular speed data and angular speed dispersion data, the angular speed data indicating a chronological series of angular speeds of rocking motions of the fishing craft during a navigation, the angular speed dispersion data being data that indicates a chronological series of dispersions of the angular speeds and in which angular speed dispersions are aligned on a temporal axis, the angular speed dispersions indicating the dispersions of the angular speeds of the fishing craft in a predetermined period;
• and
• an activity estimator
• to execute, based on the velocity feature vector data and the angular-speed feature vector data, an activity identifying process for identifying whether the fishing craft is during travel or fishing operation, and
• to output activity identification result data indicating a chronological series of identification results in the activity identifying process.

A fishing-craft activity estimating program configured to cause a computer to function as:

• a velocity feature-vector data acquirer to acquire velocity feature vector data containing velocity data and velocity dispersion data, the velocity data indicating a chronological series of velocities of a fishing craft that performs a fishing operation in a fishery and a travel to a destination, the velocity dispersion data being data that indicates a chronological series of dispersions of the velocities of the fishing craft and in which velocity dispersions are aligned on a temporal axis, the velocity dispersions indicating the dispersions of the velocities of the fishing craft in a predetermined period;
• an angular-speed feature-vector data acquirer to acquire angular-speed feature vector data containing angular speed data and angular speed dispersion data, the angular speed data indicating a chronological series of angular speeds of rocking motions of the fishing craft during a navigation, the angular speed dispersion data being data that indicates a chronological series of dispersions of the angular speeds and in which angular speed dispersions are aligned on a temporal axis, the angular speed dispersions indicating the dispersions of the angular speeds of the fishing craft in a predetermined period;
• and
• an activity estimator
• to execute, based on the velocity feature vector data and the angular-speed feature vector data, an activity identifying process for identifying whether the fishing craft is during travel or fishing operation, and
• to output activity identification result data indicating a chronological series of identification results in the activity identifying process.